Juniper JUNOSE 10.0.X PHYSICAL LAYER Configuration Manual page 234

JUNOSe 10.0.x Physical Layer Configuration Guide
208
Monitoring Ethernet Interfaces
Deferred Number of packets that the router delayed sending because
the line was busy. In half duplex mode, a high number of deferrals
means the link is very busy with traffic from other stations. In full duplex
mode, when the link is always available for transmission, this number
is zero.
No Carrier Number of packets sent when carrier sense was unavailable
Collisions Analysis of the collisions that occurred
Single Number of packets sent after one collision
Multiple—Number of packets sent after multiple collisions
Late—Number of packets aborted during sending because of collisions
after 64 bytes
Excessive—Number of packets not sent because of too many collisions
ARP Statistics Analysis of ARP traffic on this interface; In fields are for
traffic received on the interface and Out fields are for traffic sent on the
interface
ARP requests Number of ARP requests
ARP responses Number of ARP responses
Errors Total number of errors in all ARP packets
Discards Total number of discarded ARP packets
queue Hardware packet queue associated with the specified traffic class
and interface
Queue length Length of the queue, in bytes
Forwarded packets, bytes Number of packets and bytes that were
forwarded on this queue
Dropped committed packets, bytes Number of committed packets and
bytes that were dropped
Dropped conformed packets, bytes Number of conformed packets and
bytes that were dropped
Dropped exceeded packets, bytes Number of exceeded packets and
bytes that were dropped
Example Displays the status of a Gigabit Ethernet interface
host1:vr2#show interfaces gigabitEthernet 10/2
ERX-40-20-43#show int gigabitEthernet 10/2
GigabitEthernet10/2 is Down, Administrative status is Up
Hardware is SEEQ 8101, address is 0090.1a01.0cc8
Primary MAU is 1000BASE-SX, secondary MAU is SFP (Empty)
MTU: Operational 1518, Administrative 1518
Duplex Mode: Operational Full Duplex, Administrative Auto Negotiate
Speed: Operational 1000 Mbps, Administrative Auto Negotiate
De-bounce: State is Enabled, interval is 2 seconds